US3568461A - Fractionation apparatus - Google Patents

Fractionation apparatus Download PDF

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Publication number
US3568461A
US3568461A US685012A US3568461DA US3568461A US 3568461 A US3568461 A US 3568461A US 685012 A US685012 A US 685012A US 3568461D A US3568461D A US 3568461DA US 3568461 A US3568461 A US 3568461A
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United States
Prior art keywords
series
fractionating
sheets
units
offset
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Expired - Lifetime
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US685012A
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English (en)
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Michael L Hoffman
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McDonnell Douglas Corp
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McDonnell Douglas Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04624—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
    • F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
    • F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
    • F25J5/007—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger combined with mass exchange, i.e. in a so-called dephlegmator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/80—Processes or apparatus using separation by rectification using integrated mass and heat exchange, i.e. non-adiabatic rectification in a reflux exchanger or dephlegmator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0033—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cryogenic applications
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/902—Apparatus
    • Y10S62/905—Column

Definitions

  • Fractionating apparatus comprising two series of corrugated vertically spaced sheets, each of the two series of sheets extending horizontally, one series of such sheets being offset from the other series, and forming a plurality of vertical channels or paths so that a vapor or vapor mixture to be separated and passing upwardly through such channels impinges on the vertical surfaces of the alternate offset Walls of the corrugations of the respective offset series of corrugated sheets, and in contact with a liquid film flowing downwardly on such vertical surfaces, providing an efficient fractionation.
  • a plurality of such fractionating units are positioned parallel to each other, with a passage or passages for an external heat transfer fluid provided between adjacent units to supply heat to or to remove heat from the adjacent fractionating units.
  • This invention relates to fractionating apparatus, and is particularly concerned with novel fractionating structures and fractionating columns embodying such structures to achieve more efiicient fractionation.
  • novel fractionating structures and column containing same of the invention are particularly employed in the processing of gaseous mixtures for liquefaction or for separation of the components of such mixtures, e.g., for the separation of components of air, or the components of gaseous mixtures of nitrogen and hydrocarbons such as methane, and the like.
  • the utility of the invention apparatus is not limited to such applications.
  • a fractionating apparatus or unit comprising two series of corrugated metal sheets disposed in vertical relation, each of the two series of corrugated sheets or plates extending horizontally across the apparatus, the sheets of each series of corrugated States Patent sheets being substantially in vertical alignment, but with the second series of corrugated sheets offset from the first series of corrugated sheets.
  • the two series of corrugated sheets are disposed between vertical partitions or walls which extend to the opposite side walls of the apparatus, forming an enclosed series of the abovenoted vertically disposed channels or paths between such partitions, from the lower to the upper end of the apparatus.
  • the fractionating apparatus has an inlet at its lower end for introduction of a gas and an outlet at its upper end for removal of overhead vapor.
  • a gas to be liquified or a mixture of gases to be separated is caused to pass upwardly from the bottom of each of the vertical channels formed by the two offset series of corrugations noted above, the vapor as it flows upwardly impinging on opposite surfaces of the cell walls of the alternate offset portions of the alternate offset series of corrugations and in contact with a liquid film flowing downwardly on such surfaces.
  • a series of the above-noted constructions can be placed in side-by-side relation between a series of parallel vertical walls or partitions.
  • a plurality of the above-noted fractionating elements can be disposed in alternate relation with a heat transfer pass or passage provided between adjacent fractionating elements.
  • a spacer element e.g., in the form of a vertically disposed corrugated spacer strip, forming vertical passages between the corrugations thereof, for passage of a heat transfer fluid therethrough in contact with adjacent fractionating elements.
  • the fractionating apparatus of the invention provides a more eflicient vapor-liquid contact of the mixture undergoing fractionation, and at the same time, maintains the efliciency of the heat transfer surfaces.
  • the novel fractionating apparatus of the invention permits both heat and mass transfer in an efficient manner.
  • FIG. 1 is a perspective view, partly broken away, of a preferred embodiment of a multiple unit fractionating apparatus employing one type of fractionating unit construction according to the invention
  • FIG. 2 is an enlarged vertical sectional detail taken on line 2-2 of FIG. 1;
  • FIG. 3 is a perspective view, partly broken away, of a multiple unit fractionating apparatus according to another embodiment.
  • FIG. 4 shows the fractionating apparatus of FIG. 1 assembled to form a fractionating column.
  • FIG. 1 there is shown a multiple fractionating unit A in which there is disposed between vertical parallel metal partitions 1t) and 11 the fractionating unit 13, comprising two series of corrugated sheets 12 and 14, the respective corrugated sheets 12 being disposed in alternate vertical alignment, with the other series 14 of corrugated sheets alternately disposed in vertical alignment between the first series of corrugated sheets 12, with the sheets 14 offset half a corrugation, see also FIG. 2, from the corrugated sheets 12.
  • Each of the alternate vertically disposed corrugated sheets 12 is disposed horizontally across the unit from one side wall to the opposite side wall 17 thereof, each of the corrugations 16 of the sheets 12 being substantially square shaped with an angle of 90 between adjacent walls or surfaces of the corrugated sheets, with adjacent alternate longitudinal sides and 22' in contact with adjacent partitions 10 and 11 and connected thereto as by soldering.
  • the second series of alternate horizontally disposed corrugated sheets 14 are the same as the square corrugated sheets of the first series 12, except that, as noted above, the square corrugations 18 formed by the second series of corrugated sheets 14 are laterally oflset about half a corrugation from the adjacent vertically disposed square corrugations 16 of the first set of corrugated sheets 12.
  • the amount of offset of one series of corrugations with respect to the other series can be varied as desired, so that the respective offset corrugations can be offset from each other in amount less than or greater than half a corrugation.
  • the side walls 19 and 21 of vertically disposed square corrugations 16 and 18 form a plurality of vertically disposed bafiies in the passage from the lower to the upper end of the unit.
  • a gas mixture to be separated and passing upwardly through the channels or passages 30 in the units 13 has its flow interrupted by side walls 19 and 21 of the respective alternate offset vertically disposed corrugations 16 and 18, and makes intimate contact and equilibrium with a film of liquid flowing down opposite surfaces of the side walls of such corrugations, effecting an eflicient fractionation.
  • the offset corrugated sheets there is provided by the offset corrugated sheets a plurality of vertical zigzag passages for the gas or fluid in each of the fractionating units 13.
  • the shape of the corrugations 18 of the series of corrugated sheets 14 can be different from the corrugations 16 of the series of corrugated sheets 12, provided that the corrugations of one series of sheets are offset with respect to the corrugations of the other series of sheets according to the invention.
  • a plurality of the above described units 13 are disposed in a multiple arrangement in parallel Spaced relation to each other, as indicated in FIG. 1, sandwiched between passages formed by providing a vertically disposed corrugated spacer sheet 22 between vertical partitions 10 and 11 of adjacent fractionating units.
  • the corrugated spacers 22 are each formed of a series of corruagtions 24, see also FIG. 2, each disposed at an acute angle to the adjacent corrugation, with the apices 26 between adjacent corrugations 24 in contact with the opposite vertical partitions 10 and 11 and connected thereto as by soldering.
  • Such vertically disposed corrugated spacer sheet 22 thus forms a series of vertical passages 27 extending from the lower to the upper ends of the unit.
  • a heat transfer medium or fluid is passed upwardly as indicated at 32 through the wedge shaped vertical passages 27 between the corrugations of the spacer 22 to either incrementally add heat to or withdraw heat from the fractionation or distillation units 13 to effect a differential distillation in the fractionating units 13 along the length of such unts and achieve a highly eflicient fractionation therein.
  • FIG. 3 there is shown a modification of the multiple fractionating unit of FIG. 1, wherein the heat exchange fluid passages 32 and the corrugated sheets 22 therein of FIG. 1 are omitted, and wherein the fractionating units 13 are placed in vertical side-by-side relation with only the vertical partitions 10 and 11 separating the adjacent units, with no fluid heat exchange passage therebetween.
  • Such a multiple unit fractionating system 42 is employed where it is not desired to utilize an ex- .ernal heat exchange fluid to add heat to or to withdraw heat from the respective fractionating units 13.
  • FIG. 4 there is shown an assembly of the multiple unit fractionating apparatus A of FIG. 1, in a fractionating column.
  • the unit A is disposed between a pair of end walls 44, and has a lower header 46 and an upper header 48.
  • the upper ends 49 of the fractionating passages 30 of each of the fractionating units 13 are open and communicate with the chamber 50 within the header 48 at the upper end of the column.
  • the upper ends of the heat exchange fluid passages 32 communicate through upper side openings 52 with a plenum or manifold 54 disposed across the column from side wall 15 to side wall 17, and formed by the curved sheet 56 attached to the column above one of the end walls 44. It is seen that the upper ends of the heat exchange fluid passages 27 are closed off at 59 from communication with the upper chamber 50.
  • An inlet 60 is provided in the lower header 46 and suitably arranged to conduct feed vapor to the lower ends of passages 30 of the fractionating units 13, and an outlet 62 is provided in the top of the upper header 48 to withdraw overhead vapor from the chamber 50 therein.
  • a distillation liquid inlet 63 e.g., for supplying liquid reflux to the fractionating units 13, is also provided in the upper header 48, and a liquid outlet 64 is provided in the bottom of the lower header 46, and arranged to withdraw fractionated liquid from the bottom of passages 30 of the fractionating units 13.
  • a heat transfer fluid inlet 66 is provided in member 56 to introduce such fluid into the manifold 54 and thence into the upper ends of the heat transfer fluid passages 32, and an outlet 68 is provided in the lower end of the column, and arranged to discharge heat exchange fluid from the lower ends of the passages 32.
  • the flow of heat exchange fluid can be in the opposite direction, if desired, as indicated in FIG. 1.
  • the fractionating apparatus of the invention is of relatively simple and inexpensive construction, employing a plurality of corrugated metal sheets in an arrangement as described herein, and unlike many prior art fractionating constructions, e.g., of the type illustrated in the above-noted patent, will withstand substantial pressures of the order of about 600 psi.
  • the structural components of the apparatus can be formed of any suitable metal such as aluminum, steel, copper, and the like.
  • the construction of the invention provides highly eflicient vapor-liquid contact and large heat transfer surfaces to augment heat transfer efliciency.
  • the invention construction particularly provides both heat and mass transfer in a highly efficient manner.
  • Fractionating apparatus comprising a plurality of units each having walls, two series of corrugated metal sheets disposed in vertical relation within said walls, each of said series of corrugated sheets extending horizontally across said unit, the sheets of each said series of sheets being substantially in vertical alignment, with each of said series of corrugated sheets offset laterally from the adjacent series of corrugated sheets, and forming a plurality of vertically disposed channels with a portion of the alternate offset corrugations of alternate series of corrugations positioned in such vertical flow channels, an inlet in the lower end of said unit for introduction of a gas, an outlet at its upper end for removal of overhead vapors, said units being disposed in parallel spaced relation, and including spacer means comprising a vertically disposed corrugated metal spacer sheet positioned in the spaces between side walls of adjacent fractionating units, said corrugated metal spacer sheet attached to opposite side walls of said adjacent spaced fractionating units, said 5 spacer sheet extending across said apparatus between the walls thereof, and providing a plurality of vertical fluid passages for a heat
  • each of the corrugations of said two series of corrugated sheets being substantially square shaped.
  • a fractionating column comprising a fractionating apparatus as defined in claim 1, said gas inlet being connected to the lower ends of each of said fractionating units and said outlet being connected to the upper ends of each of said fractionating units, and including a distillation liquid inlet to the upper ends of each of said fractionating units, a liquid outlet from the lower ends of each of said fractionating units, a heat exchange fluid inlet to said passages between adjacent fractionating units, and a heat exchange fluid outlet from said last mentioned passages.
  • a fractionating column comprising a fractionating apparatus as defined in claim 3, said gas inlet being connected to the lower ends of each of said fractionating units and said outlet being connected to the upper ends Cil of each of said fractionating units, and including a distillation liquid inlet to the upper ends of each of said fractionating units, a liquid outlet from the lower ends of each of said fractionating units, a heat exchange fluid inlet to said passages between adjacent fractionating units, and a heat exchange fluid outlet from said last mentioned passages.
US685012A 1967-11-22 1967-11-22 Fractionation apparatus Expired - Lifetime US3568461A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759495A (en) * 1971-05-03 1973-09-18 Cherne Ind Inc Liquid aerating rotor assembly
US4133709A (en) * 1977-03-14 1979-01-09 Carrico Arnold J Method of making flexible multi-columnar fluid treatment cellular apparatus
US4308107A (en) * 1978-01-04 1981-12-29 Dieter Markfort Distillation process and apparatus for its realization
EP0150900A1 (de) * 1984-01-04 1985-08-07 Dale Edward Nutter Einbauten zur Verbesserung des Gas-Flüssigkeits-Kontaktes und Verfahren zu ihrer Herstellung
US4615770A (en) * 1983-10-14 1986-10-07 Rakesh Govind Distillation column and process
US5204027A (en) * 1992-02-04 1993-04-20 Armstrong Charles M Fluid contact panels
US5407607A (en) * 1993-11-09 1995-04-18 Mix; Thomas W. Structured packing elements
US5592832A (en) * 1995-10-03 1997-01-14 Air Products And Chemicals, Inc. Process and apparatus for the production of moderate purity oxygen
US6349566B1 (en) 2000-09-15 2002-02-26 Air Products And Chemicals, Inc. Dephlegmator system and process
FR2814537A1 (fr) * 2000-09-25 2002-03-29 Valeo Thermique Moteur Sa Echangeur de chaleur pour deux fluides a rendement ameliore
FR2824895A1 (fr) * 2001-05-18 2002-11-22 Air Liquide Ailette ondulee a persiennes pour echangeur de chaleur a plaques, et echangeur a plaques muni de telles ailettes
US20050183440A1 (en) * 2004-02-10 2005-08-25 The Texas A&M University System Vapor-compression evaporation system and method
US6951245B1 (en) * 2002-10-01 2005-10-04 L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Plate-type heat exchanger comprising a thick fin, and use of such a heat exchanger
US20060060338A1 (en) * 2002-12-02 2006-03-23 Lg Electronics Inc. Heat exchanger of ventilating system
ES2315057A1 (es) * 2005-08-31 2009-03-16 Valeo Termico, S.A. Intercambiador de calor de placas apiladas.
US20100065501A1 (en) * 2008-09-17 2010-03-18 Koch-Glitsch, Lp Structured packing module for mass transfer column and process involving same
US11268877B2 (en) 2017-10-31 2022-03-08 Chart Energy & Chemicals, Inc. Plate fin fluid processing device, system and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807828B1 (fr) 2000-04-17 2002-07-12 Nordon Cryogenie Snc Ailette ondulee a decalage partiel pour echangeur de chaleur a plaques et echangeur de chaleur a plaques correspondant
EP2173448B1 (de) * 2007-07-09 2018-02-21 Chart Industries, Inc. Vorrichtung mit lamellen zur verarbeitung von flüssigkeiten
AT505300B1 (de) * 2007-10-04 2008-12-15 Ktm Kuehler Gmbh Plattenwärmetauscher

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759495A (en) * 1971-05-03 1973-09-18 Cherne Ind Inc Liquid aerating rotor assembly
US4133709A (en) * 1977-03-14 1979-01-09 Carrico Arnold J Method of making flexible multi-columnar fluid treatment cellular apparatus
US4308107A (en) * 1978-01-04 1981-12-29 Dieter Markfort Distillation process and apparatus for its realization
US4615770A (en) * 1983-10-14 1986-10-07 Rakesh Govind Distillation column and process
EP0150900A1 (de) * 1984-01-04 1985-08-07 Dale Edward Nutter Einbauten zur Verbesserung des Gas-Flüssigkeits-Kontaktes und Verfahren zu ihrer Herstellung
US5204027A (en) * 1992-02-04 1993-04-20 Armstrong Charles M Fluid contact panels
US5407607A (en) * 1993-11-09 1995-04-18 Mix; Thomas W. Structured packing elements
US5592832A (en) * 1995-10-03 1997-01-14 Air Products And Chemicals, Inc. Process and apparatus for the production of moderate purity oxygen
EP0767352A2 (de) † 1995-10-03 1997-04-09 Air Products And Chemicals, Inc. Verfahren und Vorrichtung zur Herstellung von Sauerstoff mässiger Reinheit
EP0767352B2 (de) † 1995-10-03 2004-07-28 Air Products And Chemicals, Inc. Verfahren und Vorrichtung zur Herstellung von Sauerstoff mässiger Reinheit
US6349566B1 (en) 2000-09-15 2002-02-26 Air Products And Chemicals, Inc. Dephlegmator system and process
FR2814537A1 (fr) * 2000-09-25 2002-03-29 Valeo Thermique Moteur Sa Echangeur de chaleur pour deux fluides a rendement ameliore
WO2002095315A1 (fr) * 2001-05-18 2002-11-28 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Ailette a persiennes pour echangeur de chaleur
FR2824895A1 (fr) * 2001-05-18 2002-11-22 Air Liquide Ailette ondulee a persiennes pour echangeur de chaleur a plaques, et echangeur a plaques muni de telles ailettes
US6951245B1 (en) * 2002-10-01 2005-10-04 L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Plate-type heat exchanger comprising a thick fin, and use of such a heat exchanger
US7237603B2 (en) * 2002-12-02 2007-07-03 Lg Electronics Inc. Heat exchanger of ventilating system
US20060060338A1 (en) * 2002-12-02 2006-03-23 Lg Electronics Inc. Heat exchanger of ventilating system
US7251944B2 (en) 2004-02-10 2007-08-07 The Texas A&M University System Vapor-compression evaporation system and method
WO2005078371A3 (en) * 2004-02-10 2006-05-04 Texas A & M Univ Sys Vapor-compression evaporation system and method
US20050183440A1 (en) * 2004-02-10 2005-08-25 The Texas A&M University System Vapor-compression evaporation system and method
AU2005213710B2 (en) * 2004-02-10 2010-08-12 Terrabon Adve, Llc Vapor-compression evaporation system and method
ES2315057A1 (es) * 2005-08-31 2009-03-16 Valeo Termico, S.A. Intercambiador de calor de placas apiladas.
US20100065501A1 (en) * 2008-09-17 2010-03-18 Koch-Glitsch, Lp Structured packing module for mass transfer column and process involving same
US8298412B2 (en) * 2008-09-17 2012-10-30 Koch-Glitsch, Lp Structured packing module for mass transfer column and process involving same
RU2500468C2 (ru) * 2008-09-17 2013-12-10 Кох-Глич, Лп Структурированный насадочный модуль для массообменной колонны и способ его использования
US11268877B2 (en) 2017-10-31 2022-03-08 Chart Energy & Chemicals, Inc. Plate fin fluid processing device, system and method

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Publication number Publication date
DE1809822A1 (de) 1969-11-06
NL6816618A (de) 1969-05-27

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